Hello.
You can find all the most recent reading on the forum concerning Powerstarter, here :-http://secunia.com/community/forum/?forum=2&vendor...
You should find the following of help if simply wishing to remove :-
To delete a vulnerable file or folder using PSI 2 :

1. Open psi and go to Scan Results.

2. Alongside the vulnerable prog. is a "+" sign.

Clicking on that will reveal Detected Instances..

3. Below, are two yellow folders. Click the one without a red dot.
It will open Windows Explorer and you will be able to view the vulnerable files/folders.

4. Right click and delete.
Perform a full scan to confirm all in order.